Inventor
ROSCOE BRADLEY A
US26 patents
⚠️ This page may combine multiple inventors who share the name “ROSCOE BRADLEY A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
19 patentsUS5440118AAug 8, 1995
Methods and apparatus for determining formation lithology by gamma ray spectroscopy
SCHLUMBERGER TECHNOLOGY CORP79 citations96
US4937446AJun 26, 1990
Carbon/oxygen well logging method and apparatus
SCHLUMBERGER TECHNOLOGY CORP83 citations96
US5539225AJul 23, 1996
Accelerator-based methods and apparatus for measurement-while-drilling
SCHLUMBERGER TECHNOLOGY CORP86 citations94
US5543617AAug 6, 1996
Method of measuring flow velocities using tracer techniques
SCHLUMBERGER TECHNOLOGY CORP36 citations92
US5528495AJun 18, 1996
Cadmium zinc telluride borehole detector
SCHLUMBERGER TECHNOLOGY CORP23 citations92
US5521378AMay 28, 1996
Method and apparatus for gamma ray logging of underground formations
SCHLUMBERGER TECHNOLOGY CORP30 citations92
US5369578ANov 29, 1994
Method and apparatus for using non-linear spectral fitting procedures on gamma-ray spectral data
SCHLUMBERGER TECHNOLOGY CORP41 citations92
US5132540AJul 21, 1992
Dead time correction and regulation method and apparatus for nuclear spectroscopy
SCHLUMBERGER TECHNOLOGY CORP29 citations92
US5097123AMar 17, 1992
Broad energy spectra neutron source for logging and method
SCHLUMBERGER TECHNOLOGY CORP53 citations92
US5081351AJan 14, 1992
Method and apparatus for borehole correction in capture gamma ray spectroscopy measurements
SCHLUMBERGER TECHNOLOGY CORP48 citations92
US5055676AOct 8, 1991
Method for determining oil and water saturation in earth formation surrounding a borehole
SCHLUMBERGER TECHNOLOGY CORP43 citations92
US5045693ASep 3, 1991
Carbon/oxygen well logging method and apparatus
SCHLUMBERGER TECHNOLOGY CORP26 citations92
US7148471B2Dec 12, 2006
Well logging apparatus and method for measuring formation properties
SCHLUMBERGER TECHNOLOGY CORP41 citations91
USRE36012EDec 29, 1998
Accelerator-based methods and apparatus for measurement-while-drilling
SCHLUMBERGER TECHNOLOGY CORP39 citations91
US5086224AFeb 4, 1992
Analysis of nuclear data for determining characteristics of earth formations traversed by a borehole
SCHLUMBERGER TECHNOLOGY CORP14 citations74
US9217793B2Dec 22, 2015
Apparatus and method for detecting radiation
SCHLUMBERGER TECHNOLOGY CORP4 citations69
US7591894B2Sep 22, 2009
LuAP scintillator
SCHLUMBERGER TECHNOLOGY CORP4 citations60
US10185053B2Jan 22, 2019
Radiation generator and power supply configuration for well logging instruments
SCHLUMBERGER TECHNOLOGY CORP0 citations52
US9835736B2Dec 5, 2017
Thermally-protected scintillation detector
SCHLUMBERGER TECHNOLOGY CORP0 citations52